Finding the Fourth Proportional to 1,675,473.60, 2,312,163.60 and 911,532.63
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Solution
The fourth proportional to 1,675,473.60, 2,312,163.60 and 911,532.63 is: 1,257,920.49
Step by Step Solution
- Step 1: Write the proportion equation
1,675,473.60 : 2,312,163.60 = 911,532.63 : x - Step 2: Convert to fraction form
1,675,473.60/2,312,163.60 = 911,532.63/x - Step 3: Cross multiply
1,675,473.60x = 2,312,163.60 × 911,532.63 - Step 4: Simplify right side
1,675,473.60x = 2,107,612,567,298.27 - Step 5: Solve for x
x = 2,107,612,567,298.27/1,675,473.60 - Step 6: Final answer
x = 1,257,920.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.